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A208102
Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 1 and 1 1 0 vertically
1
2, 16, 78, 361, 6235, 261121, 4747545, 90782784, 18473477832, 9693564675601, 668167531935849, 46925086118316121, 128627682135940435023, 919037094400530117376144, 213624920267877921384329046
OFFSET
1,1
COMMENTS
Diagonal of A208108
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..0..0....1..0..0..1..1....1..0..1..1..1....1..1..1..1..1
..0..1..1..0..1....0..1..1..0..0....0..0..1..1..1....0..0..1..1..1
..0..1..1..1..0....1..0..0..1..1....1..0..1..1..1....1..0..1..1..1
..1..1..1..0..1....0..1..1..0..0....0..0..1..1..1....0..1..1..1..1
..0..1..1..1..0....1..0..0..1..1....0..0..1..1..1....0..0..1..1..1
CROSSREFS
Sequence in context: A356372 A028336 A244717 * A207723 A208835 A208683
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 23 2012
STATUS
approved